alb3.inoc.net has no MX records.
Question and response
Question
dig alb3.inoc.net. MX
Answer
The response has no answer records.
Authority
alb3.inoc.net. 3600 SOA ns0.inoc.net. hostmaster.inoc.net. 2025110600 3600 900 2419200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0